diff --git a/Makefile b/Makefile
index 4455827..e1c4dec 100644
--- a/Makefile
+++ b/Makefile
@@ -9,3 +9,6 @@ update-quint:
 	#sed -e 's#inherit nodeEnv;#inherit nodeEnv quint-src;#' -e 's/, system/, quint-src, system/' -i '' nix/packages/quint/default.nix
 	#sed -e 's#src = \./\.#src = "$${quint-src}/quint"#' -e 's#nodeEnv, #quint-src, nodeEnv, #' -i '' nix/packages/quint/node-packages.nix
 	#rm -f nix/packages/quint/package*.json
+
+update-input-%:
+	nix flake lock --update-input $* ./nix/base-system/